import type { QuotaSnapshot } from '../agent/quota-cache.js';
export interface QuotaWindowState {
    readonly utilization: number;
    readonly resetsAt?: Date;
}
export interface QuotaWindows {
    readonly fiveHour?: QuotaWindowState;
    readonly sevenDay?: QuotaWindowState;
    readonly observedAt?: Date;
}
export declare function quotaWindowsFromSnapshot(snapshot: QuotaSnapshot | undefined): QuotaWindows | undefined;
export type QuotaSeverity = 'calm' | 'caution' | 'critical';
export interface QuotaIndicator {
    readonly text: string;
    readonly severity: QuotaSeverity;
    readonly stale: boolean;
}
export declare const STALE_AFTER_MS: number;
export declare function formatResetCountdown(msRemaining: number): string;
export declare function formatQuotaIndicator(windows: QuotaWindows, now?: Date): QuotaIndicator | undefined;